Perrin Recirculating Blow Off Valve – 2002–2007 Subaru WRX / 2004–2021 WRX STI

CNC-machined billet aluminum recirculating BOV designed for modified WRX and STI builds. Faster and more reliable boost pressure relief than the OEM unit, with independent adjustment of release pressure and volume.

• CNC-machined 6061 billet aluminum body, cap, piston, and flange
• Single-piece body design eliminates leak-prone bolt-on sections
• Adjustable spring cap for customizable boost release pressure
• Independent air release volume adjustment — prevents turbo damage and poor throttle response
• Quick response to increased boost from performance upgrades
• Tool-free disassembly for easy maintenance
• Available in Red and Black

What's Included

• (1) Perrin Recirculating Blow Off Valve
• (1) 1/4" vacuum hose
• (1) 1/4"-to-1/4" hose connector
• (1) Zip tie

Fitment

• 2002–2007 Subaru WRX
• 2004–2021 Subaru WRX STI

Part Number

PSP-TAC-600RD (Red) / PSP-TAC-600BK (Black)

Proposition 65

WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov